单项选择题

Litmus paste is used in order to determine（）.

A.innage
B.thievage
C.ullage
D.the tank's datum point

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单项选择题

Joiner bulkheads on a vessel provide（）.

A.compartmentalization
B.watertight integrity
C.structural support
D.tank boundaries

单项选择题

Individual wires，used in systems greater than 50 volts,（）.

A.should be supported at 24 inch intervals with plastic tie wraps
B.should never be located in a tank
C.must be installed in conduit
D.All of the above

单项选择题

Increasing the number of slack liquid tanks has the effect of raising the（）.

A.uncorrected KG
B.maximum allowed KG
C.virtual height of the center of gravity
D.metacentric height